Effect of Iyengar yoga therapy for chronic low back pain Author: Williams, K.A., Petronis, J., Smith, D., Goodrich, D., Wu, J., Ravi, N., Doyle, E.J. Jr., Gregory-Juckett, R., Munoz-Kolar, M., Gross, R. & Steinberg, L. Conference/Journal: Pain Date published: 2005 Other: Volume ID: 115 , Pages: 107-117 , Word Count: 54 METHODS: A randomized control trial was conducted in subjects with non-specific chronic low back pain comparing Iyengar yoga therapy to an educational control group. Both programs were 16 weeks long. RESULTS: Analyses revealed significant reductions in pain intensity (64%), functional disability (77%) and pain medication usage (88%) in the yoga group at the post and 3-month follow-up assessments.